minus-squarepheerai@discuss.tchncs.detoToday I Learned (TIL)@lemmy.ca•TIL the Hairy Ball theoremlinkfedilinkarrow-up5·2 days agoFor mathematicians in Germany, this is known as the “Hedgehog Theorem” (“Satz vom Igel”, as in “you can’t fully comb a hedgehog”) linkfedilink
For mathematicians in Germany, this is known as the “Hedgehog Theorem” (“Satz vom Igel”, as in “you can’t fully comb a hedgehog”)